<p> the "old Wu" gave a scrap acquired businesses to do the technical guidance, access to many precious metals recovery approach. For this experiment, the "old Wu" has repeatedly stressed, this method is non-toxic, high purity, low cost, and the technology is very mature, not so-called "aqua regia law." "Old Wu," that he was to complete the experiment in mid-November, "This experiment requires only one day can be completed." Ten Steps 5 CPU refining the four small Kim "Old Wu" and "thiourea gold extraction technique" There are ten steps. The first step is to prepare the instrument to prepare beakers,hogan interactive, glass, muffle furnace; the second step is to prepare reagents is thiourea, sulfuric acid, hydrogen peroxide and other; The third step is to prepare CPU, "CPU gold content varies, but 486,hogan uomo,586 gold old section of the computer more adequate "; The fourth step is to soak, rinse first with CPU, remove the thermal silica, etc.</p>
<p> but also saw the night of the incident knocked off the car debris. Wang told China Daily reporter owners, bought her car only six months,hogan outlet roma, it somehow knocked. "That night the car parked in the vicinity I went home, and later received a phone call saying the car had been hit, knocked down a door look out of shape." "In the beginning there is a woman heard outside in the quarrel,hogan uomo dress, loud, and then I heard the sound of the collision and brakes the car." Mr. Cao said a nearby business owner, then it is in the evening,scarpe hogan uomo, Fergus cell and financial letter Park District Many residents walk in the shade at the roadside,hogan outlet roma, suddenly a woman driving a white Kia sport utility vehicle, along the right side of the road, the car bumped continuous reverse the line. "She drove retrograde, so that passers-by and vehicles next surprise.</p>
<p>" said he used this method from five CPU, the final extract four small gold beads, which one is that it does not accidentally lost. User question: Too costly and polluting the environment For the "old Wu" alchemy.</p>
<p> and then water immersion CPU, the dilute sulfuric acid to adjust the pH to about 1.5, then add 30% 5 ml of hydrogen peroxide, thiourea 1 g (preferably made of solution),hogan scarpe, the order can not be reversed; fifth step is activated carbon adsorption; sixth step is heated to high temperatures, temperature not lower than 1000 �, until the charcoal is completely high temperature air oxidation after the rest is yellow gold; seventh step is to use distilled water and pure nitric alloy slightly cook a cook, direct filtration, washed repeatedly with water, thick gold came out; eighth step is purified, probably took an hour; s nine steps and tenth step, is to use a muffle furnace to melt the gold and use the instrument to detect the purity of gold. "Old Wu.</p>
<p> the people who have to skip the green belt to avoid,scarpe hogan, dodge a man being hit by a car is not timely." Then, people around immediately called the police. "Even the fight,hogan baby, it should calm down. Drove rattling vehicles and passers-by,parajumpers kids, is to take the lives of others in a joke, but fortunately not badly hurt hit passers." Evening of July 31, witnessed the crash scene citizen Guo Ms. believed that the woman's practice immoral, evil and sinful. According to Yan'an City Public Security Bureau Traffic Police Detachment, a team of police reports, the accident including the parties themselves, including cars, a total of seven vehicles damaged to varying degrees, a passers-by were injured. Currently injured passers-by uneventfully, being the hospital for further treatment. It is understood that the woman is and others after a quarrel,hogan outlet scarpe, driving on the road retrograde,hogan roma, on suspicion of intentional crash. At present, the woman has been controlled, the case is still under investigation.The refining of gold Photo by Nankai University students Lidian WuGold from waste where it is not a myth! Nankai University, a senior student of college, to use computer CPU refining scrap gold. Recently, a group of "old Wu CPU extracting gold piece of cake" picture circulated on the Internet, attracting netizens exclaimed. Network diagram Live Seniors' sturdy gold extraction technique " In all online.</p>
<p> they posted a total of 19 photographs, of which 13 are small close-up Kim. From the first two CPU's picture, to the fourth, "Pharmacy debut mystery", to the seventh photos "4 Kim, a sneeze is I get to fly ..." picture broadcast of friends "old Wu "CPU refining with small gold beads in the process. Finally, the "old Wu" also excited to put up its use of the school spectrum devices were analyzed and identified three Kim results "three Kim,hogan online outlet, ICP-AES analysis at 99.99% Oh,hogan outlet, no impurity peaks of other elements Oh". And on Renren and Sina Weibo, a more detailed,felpe hollister, more intuitive picture clearly demonstrates the "sturdy old Wu thiourea gold extraction technique." "Old Wu" is actually a student at Nankai University Department of Chemistry,hogan donna, College senior, called . On the reason for thought "thiourea gold extraction technique", "old Wu" said his idea is very simple,parajumpers jassen, is that when the waste electronic products directly sold on the pounds,hogan donna, too wasteful. In social practice after school.</p>
相关的主题文章：
- http://112.124.50.1/apps.php?q=diary&a=detail&did=194645&uid=6001
- http://home.tonlion.com/forum.php?mod=viewthread&tid=542397&extra=
- http://www.infocrystal.com/alink/apeboard_plus.cgi?command=read_message&msgnum=970/
- http://1km.hk/forum.php?mod=viewthread&tid=145362&fromuid=5361
- http://www.wywkj.com/forum.php?mod=viewthread&tid=788215
- http://cand.qee.jp/link_p/apeboard_plus.cgi?command=viewres&target/;/
- http://cand.qee.jp/link_p/apeboard_plus.cgi?command=viewres&target/
- http://211.86.128.2/gjjl/Review.asp?NewsID=595